80 lines
2.1 KiB
Go
80 lines
2.1 KiB
Go
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package fake
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var lowerLetters = []rune("abcdefghijklmnopqrstuvwxyz")
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var upperLetters = []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
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var numeric = []rune("0123456789")
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var specialChars = []rune(`!'@#$%^&*()_+-=[]{};:",./?`)
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var hexDigits = []rune("0123456789abcdef")
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func text(atLeast, atMost int, allowLower, allowUpper, allowNumeric, allowSpecial bool) string {
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allowedChars := []rune{}
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if allowLower {
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allowedChars = append(allowedChars, lowerLetters...)
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}
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if allowUpper {
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allowedChars = append(allowedChars, upperLetters...)
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}
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if allowNumeric {
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allowedChars = append(allowedChars, numeric...)
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}
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if allowSpecial {
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allowedChars = append(allowedChars, specialChars...)
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}
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result := []rune{}
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nTimes := r.Intn(atMost-atLeast+1) + atLeast
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for i := 0; i < nTimes; i++ {
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result = append(result, allowedChars[r.Intn(len(allowedChars))])
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}
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return string(result)
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}
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// Password generates password with the length from atLeast to atMOst charachers,
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// allow* parameters specify whether corresponding symbols can be used
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func Password(atLeast, atMost int, allowUpper, allowNumeric, allowSpecial bool) string {
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return text(atLeast, atMost, true, allowUpper, allowNumeric, allowSpecial)
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}
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// SimplePassword is a wrapper around Password,
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// it generates password with the length from 6 to 12 symbols, with upper characters and numeric symbols allowed
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func SimplePassword() string {
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return Password(6, 12, true, true, false)
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}
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// Color generates color name
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func Color() string {
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return lookup(lang, "colors", true)
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}
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// DigitsN returns n digits as a string
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func DigitsN(n int) string {
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digits := make([]rune, n)
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for i := 0; i < n; i++ {
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digits[i] = numeric[r.Intn(len(numeric))]
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}
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return string(digits)
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}
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// Digits returns from 1 to 5 digits as a string
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func Digits() string {
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return DigitsN(r.Intn(5) + 1)
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}
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func hexDigitsStr(n int) string {
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var num []rune
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for i := 0; i < n; i++ {
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num = append(num, hexDigits[r.Intn(len(hexDigits))])
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}
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return string(num)
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}
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// HexColor generates hex color name
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func HexColor() string {
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return hexDigitsStr(6)
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}
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// HexColorShort generates short hex color name
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func HexColorShort() string {
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return hexDigitsStr(3)
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}
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